5OWI:
reference: The dynamic dimer structure of the chaperone Trigger Factor., Morgado L, Burmann BM, Sharpe T, Mazur A, Hiller S, Nat Commun. 2017 Dec 8;8(1):1992. doi: 10.1038/s41467-017-02196-7. PMID: 29222465

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).